Gravesendの時間
20:50:51
日の出: 07:24:38 
日没: 17:00:4004:50:51
23:50:51
17:50:51
02:20:51
14:50:51
04:50:51
01:50:51
04:50:51
04:50:51
02:20:51
23:50:51
04:50:51
02:50:51
05:50:51
17:50:51
Gravesendと主要都市の時差
+7
+7
+7
+6.5
+6
+6
+6
+6
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5
+5
+4.5
+4
+3.5
+3
+3
+3
+3
+3
+3
+3
+2
+2
+2
+2
+1
+1
+1
+1
+1
+1
+1
+0
+0
-3
-3
-3
-3
-4
-5
-5
-5
-6
-8